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IMS was introduced into R5 core network by 3GPP, and SIP was chosen as the call/session control portocol. However??CSIP message's size is becoming a performance bottleneck. Based on the SigComp, this paper gives a new compression algorithm. It includes LZSS and Huffman with pretreatment. And this paper gives a SigComp session delay model. Simulation results prove that the new algorithm can effectively...
Relative positioning, which is used in the flight of spacecraft with flying in formation, satellite network, and mobile robot network and so on, is highly available scheme for marine intelligent transportation network to guarantee the positioning accuracy and performance. Currently, some ship relative positioning method based on the original measurement and local positioning estimate in marine ship...
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